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JPL Small-Body Database Browser
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305819 (2009 DM122)
Classification: Main-belt Asteroid          SPK-ID: 2305819
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .184106103242038 8.0821e-08  
a 2.450632793544649 1.972e-08 au
q 1.999456339447994 2.006e-07 au
i 1.945825899630178 8.2937e-06 deg
node 86.63596079567745 0.00022146 deg
peri 355.3668087341758 0.00022272 deg
M 304.8826883255003 2.2271e-05 deg
tp 2458815.036560765575
(2019-Nov-27.53656077)
8.7479e-05 TDB
period 1401.250524185843
3.84
1.6914e-05
4.631e-08
d
yr
n .2569133740086684 3.101e-09 deg/d
Q 2.901809247641305 2.3351e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      9385 days (25.69 yr)  
   first obs. used      1992-11-27  
   last obs. used      2018-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57854  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:08:17  

Additional Information
 Earth MOID = 1.01529 au 
 Jupiter MOID = 2.33192 au 
 T_jup = 3.472 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a MPO455253  

305819 (2009 DM122)          Discovered 2009-Feb-27 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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